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syntax = "proto3";

package envoy.admin.v3alpha;

option java_outer_classname = "ServerInfoProto";
option java_multiple_files = true;
option java_package = "io.envoyproxy.envoy.admin.v3alpha";

import "google/protobuf/duration.proto";

// [#protodoc-title: Server State]

// Proto representation of the value returned by /server_info, containing
// server version/server status information.
message ServerInfo {
  // Server version.
  string version = 1;

  enum State {
    // Server is live and serving traffic.
    LIVE = 0;
    // Server is draining listeners in response to external health checks failing.
    DRAINING = 1;
    // Server has not yet completed cluster manager initialization.
    PRE_INITIALIZING = 2;
    // Server is running the cluster manager initialization callbacks (e.g., RDS).
    INITIALIZING = 3;
  }

  // State of the server.
  State state = 2;

  // Uptime since current epoch was started.
  google.protobuf.Duration uptime_current_epoch = 3;

  // Uptime since the start of the first epoch.
  google.protobuf.Duration uptime_all_epochs = 4;

  // Hot restart version.
  string hot_restart_version = 5;

  // Command line options the server is currently running with.
  CommandLineOptions command_line_options = 6;
}

message CommandLineOptions {
  // See :option:`--base-id` for details.
  uint64 base_id = 1;

  // See :option:`--concurrency` for details.
  uint32 concurrency = 2;

  // See :option:`--config-path` for details.
  string config_path = 3;

  // See :option:`--config-yaml` for details.
  string config_yaml = 4;

  // See :option:`--allow-unknown-static-fields` for details.
  bool allow_unknown_static_fields = 5;

  // See :option:`--reject-unknown-dynamic-fields` for details.
  bool reject_unknown_dynamic_fields = 26;

  // See :option:`--admin-address-path` for details.
  string admin_address_path = 6;

  enum IpVersion {
    v4 = 0;
    v6 = 1;
  }

  // See :option:`--local-address-ip-version` for details.
  IpVersion local_address_ip_version = 7;

  // See :option:`--log-level` for details.
  string log_level = 8;

  // See :option:`--component-log-level` for details.
  string component_log_level = 9;

  // See :option:`--log-format` for details.
  string log_format = 10;

  // See :option:`--log-path` for details.
  string log_path = 11;

  reserved 12;

  // See :option:`--service-cluster` for details.
  string service_cluster = 13;

  // See :option:`--service-node` for details.
  string service_node = 14;

  // See :option:`--service-zone` for details.
  string service_zone = 15;

  // See :option:`--file-flush-interval-msec` for details.
  google.protobuf.Duration file_flush_interval = 16;

  // See :option:`--drain-time-s` for details.
  google.protobuf.Duration drain_time = 17;

  // See :option:`--parent-shutdown-time-s` for details.
  google.protobuf.Duration parent_shutdown_time = 18;

  enum Mode {
    // Validate configs and then serve traffic normally.
    Serve = 0;

    // Validate configs and exit.
    Validate = 1;

    // Completely load and initialize the config, and then exit without running the listener loop.
    InitOnly = 2;
  }

  // See :option:`--mode` for details.
  Mode mode = 19;

  // max_stats and max_obj_name_len are now unused and have no effect.
  uint64 max_stats = 20 [deprecated = true];
  uint64 max_obj_name_len = 21 [deprecated = true];

  // See :option:`--disable-hot-restart` for details.
  bool disable_hot_restart = 22;

  // See :option:`--enable-mutex-tracing` for details.
  bool enable_mutex_tracing = 23;

  // See :option:`--restart-epoch` for details.
  uint32 restart_epoch = 24;

  // See :option:`--cpuset-threads` for details.
  bool cpuset_threads = 25;
}